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What is the Least Common Multiple of 16378 and 16391?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 16378 and 16391 is 268451798.

LCM(16378,16391) = 268451798

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Least Common Multiple of 16378 and 16391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16378 and 16391, than apply into the LCM equation.

GCF(16378,16391) = 1
LCM(16378,16391) = ( 16378 × 16391) / 1
LCM(16378,16391) = 268451798 / 1
LCM(16378,16391) = 268451798

Least Common Multiple (LCM) of 16378 and 16391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16378 and 16391. First we will calculate the prime factors of 16378 and 16391.

Prime Factorization of 16378

Prime factors of 16378 are 2, 19, 431. Prime factorization of 16378 in exponential form is:

16378 = 21 × 191 × 4311

Prime Factorization of 16391

Prime factors of 16391 are 37, 443. Prime factorization of 16391 in exponential form is:

16391 = 371 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 16378 and 16391.

LCM(16378,16391) = 21 × 191 × 4311 × 371 × 4431
LCM(16378,16391) = 268451798